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Notice

AISB event Bulletin Item

CFP: WRS 2007 (Reduction Strategies in Rewriting and Programming)

WRS 2007
7th International Workshop on
Reduction Strategies in Rewriting and Programming
http://www.lsv.ens-cachan.fr/rdp07/wrs.html
Paris, France, June 25, 2007
held in conjunction with the
4th Federated Conference on Rewriting, Deduction, and Programming (RDP 2007)
http://www.rdp07.org/
Scope
The workshop intends to promote and stimulate international
research and collaboration in the area of strategies.
It encourages the presentation of new directions, developments,
and results as well as surveys and tutorials on existing knowledge
in this area.
Reduction strategies study which subexpression(s) of an expression should be
selected for evaluation and which rule(s) should be applied. These
choices affect fundamental properties of a computation such as
laziness, strictness, completeness, and need, to name a few. For this
reason some programming languages, e.g., Elan, Maude, *OBJ*, and
Stratego, allow the explicit definition of the evaluation
strategy, whereas other languages, e.g., Clean, Curry, and Haskell,
allow its modification.
In addition to evaluation strategies, WRS 07 also covers the use of
strategies and tactics in other areas such as theorem proving and
termination proving.
Thus, strategies pose challenging theoretical problems and
play an important role in practical tools such as
theorem provers, model checkers, and programming languages. In
implementations of languages, strategies bridge the gap between
operational principles, e.g., graph and term rewriting, narrowing
and lambda-calculus, and semantics, e.g., normalization,
computation of values and head-normalization.
The previous editions of the workshop were: WRS 2001 (Utrecht, The
Netherlands), WRS 2002 (Copenhagen, Denmark), WRS 2003 (Valencia,
Spain), WRS 2004 (Aachen, Germany), WRS 2005 (Nara, Japan), and
WRS 2006 (Seattle, USA). See also the WRS permanent page at
http://www.dsic.upv.es/~wrs/
Topics
Topics of interest include, but are not restricted to:
* theoretical foundations for the definition and semantic
description of reduction strategies
* strategies in different frameworks such as term rewriting, graph
rewriting, infinitary rewriting, lambda calculi, higher order
rewriting, conditional rewriting, rewriting with built-ins,
narrowing, constraint solving, etc.
* application of strategies to equational, functional,
functional-logic, and any other kind of programming language
* strategies and tactics in theorem proving, termination proving, etc.
* properties of reduction strategies and corresponding computations,
e.g., completeness, computability, decidability, complexity,
optimality, normalization, cofinality, fairness, perpetuality,
context-freedom, need, laziness, eagerness, strictness
* interrelations, combinations and applications of reduction under
different strategies, e.g., evaluation mechanisms in programming
languages, equivalence conditions for fundamental properties like
termination and confluence, applications in modularity analysis,
connections between strategies of different frameworks, etc.
* program analysis and other semantics-based optimization
techniques dealing with reduction strategies
* rewrite systems, tools, implementations with flexible or
programmable strategies
* specification of reduction strategies in real languages
* strategies suitable to software engineering problems and
applications
* tutorials and systems related to strategies
Program Committee
* Sergio Antoy (U Portland, USA)
* Horatiu Cirstea (LORIA Nancy, France)
* Manuel Clavel (U Madrid, Spain)
* Francisco Duran (U Malaga, Spain)
* Maribel Fernandez (KC London, UK)
* Juergen Giesl (RWTH Aachen, Germany), chair
* Bernhard Gramlich (U Vienna, Austria)
* Salvador Lucas (U Valencia, Spain)
* Aart Middeldorp (U Innsbruck, Austria)
* Mizuhito Ogawa (JAIST Nomi, Japan)
* Vincent van Oostrom (U Utrecht, The Netherlands)
* Jaco van de Pol (CWI Amsterdam, The Netherlands)
* Masahiko Sakai (U Nagoya, Japan)
Important Dates
April 19, 2007 Deadline for electronic submission of title and abstract
April 23, 2007 Deadline for electronic submission of papers
May 18, 2007 Notification of acceptance of papers
June 8, 2007 Deadline for final versions of accepted papers
June 25, 2007 Workshop
Publication
The workshop will have both informal and formal proceedings:
* The informal proceedings contain all accepted submissions
(of both category (A) and (B), see below).
They will be distributed at the workshop and will also be available
on-line.
* The formal proceedings contain all accepted submissions
of category (A), see below. The formal proceedings will be published
by Elsevier as a volume of ENTCS.
Submissions
There are two categories of submissions:
(A) Submissions to the formal proceedings
These submissions must describe unpublished work.
All accepted submissions of this category will
be published both in the informal and in the formal proceedings.
(B) Submissions to the informal proceedings
Accepted submissions of this category will be published
in the informal proceedings, but not in the formal proceedings.
These submissions may also describe work that
* may already have been submitted or published elsewhere or
* will be submitted or published elsewhere or
* is still in progress
Accepted submissions of both categories will be presented at
the workshop (where the talks for papers of both categories
have the same length).
The page limit for papers in both category (A) and (B)
is 15 pages in ENTCS-style. The necessary style files and
instructions can be found at http://www.entcs.org/prelim.html
We also explicitly solicit survey and tutorial submissions
(of either category) which may be longer.
The submission page for WRS 2007 is
http://www.easychair.org/WRS2007/
Contact
Juergen Giesl, giesl@informatik.rwth-aachen.de